While free speech and fair use are legitimate and important legal concepts, what goes on in the blogosphere is all too often well beyond what’s permissible. Bloggers may be guilty of libel, defamation, copyright infringement, invasion of privacy and a number of other crimes. Whether individual cases have merit is a matter for the courts to decide, but the risks of liability present a clear warning for real estate bloggers who operate in ignorance or disregard of the laws that govern free speech and fair use.